TY - JOUR
T1 - Spatially Resolved Optimization for Studying the Role of Hydrogen for Heat Decarbonization Pathways
AU - Jalil-Vega, Francisca A.
AU - Hawkes, Adam D.
N1 - Funding Information:
This research was supported by Climate-KIC, Grantham Institute Newton/NERC Sustainable Gas Pathways (NE/N018656/1), and CONICYT.
Funding Information:
This research was supported by Climate-KIC, Grantham Institute, Newton/NERC Sustainable Gas Pathways (NE/ N018656/1), and CONICYT.
Publisher Copyright:
© 2018 American Chemical Society.
PY - 2018/5/7
Y1 - 2018/5/7
N2 - This paper studies the economic feasibility of installing hydrogen networks for decarbonizing heat in urban areas. The study uses the Heat Infrastructure and Technology (HIT) spatially resolved optimization model to trade-off energy supply, infrastructure, and end-use technology costs for the most important heat-related energy vectors: gas, heat, electricity, and hydrogen. Two model formulations are applied to a UK urban area: one with an independent hydrogen network and one that allows for retrofitting the gas network into hydrogen. Results show that for average hydrogen price projections, cost-effective pathways for heat decarbonization toward 2050 include heat networks supplied by a combination of district-level heat pumps and gas boilers in the domestic and commercial sectors and hydrogen boilers in the domestic sector. For a low hydrogen price scenario, when retrofitting the gas network into hydrogen, a cost-effective pathway is replacing gas by hydrogen boilers in the commercial sector and a mixture of hydrogen boilers and heat networks supplied by district-level heat pumps, gas, and hydrogen boilers for the domestic sector. Compared to the first modeled year, CO2 emission reductions of 88% are achieved by 2050. These results build on previous research on the role of hydrogen in cost-effective heat decarbonization pathways.
AB - This paper studies the economic feasibility of installing hydrogen networks for decarbonizing heat in urban areas. The study uses the Heat Infrastructure and Technology (HIT) spatially resolved optimization model to trade-off energy supply, infrastructure, and end-use technology costs for the most important heat-related energy vectors: gas, heat, electricity, and hydrogen. Two model formulations are applied to a UK urban area: one with an independent hydrogen network and one that allows for retrofitting the gas network into hydrogen. Results show that for average hydrogen price projections, cost-effective pathways for heat decarbonization toward 2050 include heat networks supplied by a combination of district-level heat pumps and gas boilers in the domestic and commercial sectors and hydrogen boilers in the domestic sector. For a low hydrogen price scenario, when retrofitting the gas network into hydrogen, a cost-effective pathway is replacing gas by hydrogen boilers in the commercial sector and a mixture of hydrogen boilers and heat networks supplied by district-level heat pumps, gas, and hydrogen boilers for the domestic sector. Compared to the first modeled year, CO2 emission reductions of 88% are achieved by 2050. These results build on previous research on the role of hydrogen in cost-effective heat decarbonization pathways.
KW - Energy systems model
KW - Gas
KW - Heat decarbonization
KW - Hydrogen
KW - Infrastructure
KW - Networks
KW - Spatially resolved
UR - http://www.scopus.com/inward/record.url?scp=85046733125&partnerID=8YFLogxK
U2 - 10.1021/acssuschemeng.7b03970
DO - 10.1021/acssuschemeng.7b03970
M3 - Article
AN - SCOPUS:85046733125
SN - 2168-0485
VL - 6
SP - 5835
EP - 5842
JO - ACS Sustainable Chemistry and Engineering
JF - ACS Sustainable Chemistry and Engineering
IS - 5
ER -